Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921)
Royal Observatory, Greenwich, Dyson, Frank Watson, 1868-1939 · London, H. M. Stationery Off. · leaf 244
223 Orbits of 25 Double Stabs. S 2281. 8380. R.A. ign sm 50S. P.M. "-039 in io7°-8 (Boss). Mags. 57, 7'2. Dec. +3" 58'- Spec. F2. Apparent Orbit of S 2281. rrom tte observations the following positions … It was at first ttonght undesirable to compute an orbit, as the observations do not cover the maximum separation which must have taken place long before 1830, and as the motion at the present time is very rapid, so that soon the portion of the apparent orbit observed will have considerably…
Double stars
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